19199909903

素因数分解:

${\mathrm{53}}^1\times {\mathrm{4231}}^1\times {\mathrm{85621}}^1$

素因数の和:89905

約数の個数: 8

約数和(自身を含む): 19567024416

約数和(自身を除く): 367114513

約数列:

[1, 53, 4231, 85621, 224243, 4537913, 362262451, 19199909903]

約数ペア:

[(1, 19199909903), (53, 362262451), (4231, 4537913), (85621, 224243)]